package cn.itcast.bos.web.action.base;

import java.io.File;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Row;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

import cn.itcast.bos.domain.base.Area;
import cn.itcast.bos.service.base.IAreaService;
import cn.itcast.bos.utils.PinYin4jUtils;

@ParentPackage("json-default")
@Namespace("/")
@Scope("prototype")
@Controller
public class AreaAction extends BaseAction<Area> {
	

	@Autowired
	private IAreaService areaService;
	
	private File file;
	
	
	public void setFile(File file) {
		this.file = file;
	}


	@Action(value="area_batchImport",results={
			@Result(name="success",location="./pages/base/area.html",type="redirect")})
	public String areaUpload() throws  IOException{
		List<Area> areas = new ArrayList<Area>();
		HSSFWorkbook hssfWorkbook=new HSSFWorkbook(new FileInputStream(file));
		HSSFSheet sheet = hssfWorkbook.getSheetAt(0);
		for (Row row : sheet) {
			if(row.getRowNum()==0){
				continue;
			}
			if(row.getCell(0)==null ||StringUtils.isBlank(row.getCell(0).getStringCellValue())){
				continue;
			}
			Area area=new Area();
			area.setId(row.getCell(0).getStringCellValue());
			area.setProvince(row.getCell(1).getStringCellValue());
			area.setCity(row.getCell(2).getStringCellValue());
			area.setDistrict(row.getCell(3).getStringCellValue());
			area.setPostcode(row.getCell(4).getStringCellValue());
			areas.add(area);
			
			String province= area.getProvince();
			String city=area.getCity();
			String district=area.getDistrict();
			province=province.substring(0, province.length()-1);
			city=city.substring(0, city.length()-1);
			district=district.substring(0, district.length()-1);
			
			String[] headArray=PinYin4jUtils.getHeadByString(province+city+district);
			StringBuffer buffer=new StringBuffer();
			for (String headStr : headArray) {
				buffer.append(headStr);
			}
			String shortcode=buffer.toString();
			area.setShortcode(shortcode);
			
			String citycode=PinYin4jUtils.hanziToPinyin(city, "");
			area.setCitycode(citycode);
			
		}
		
		areaService.saveBatch(areas);
		return SUCCESS;
	}
	
	
	
	@Action(value="area_pageQuery",results={@Result(name="success",type="json")})
	public String findPageData(){
		Pageable pageable=new PageRequest(page-1, rows);
		
		Specification<Area> specification =new Specification<Area>() {
			
			@Override
			public Predicate toPredicate(Root<Area> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				Predicate predicate=null;
				
				if(StringUtils.isNotBlank(model.getProvince())){
					Predicate p1 = cb.like(root.get("province").as(String.class), "%"+model.getProvince()+"%");
					predicate=cb.and(p1);
				}
				if(StringUtils.isNotBlank(model.getCity())){
					Predicate p2 = cb.like(root.get("city").as(String.class), "%"+model.getCity()+"%");
					predicate=cb.and(p2);
				}
			/*	//多表查询
				Join<Object, Object> join = root.join("subareas",JoinType.INNER);
				if(StringUtils.isNotBlank(model.getDistrict())){
					Predicate p3 = cb.like(root.get("district").as(String.class), "%"+model.getDistrict()+"%");
					predicate=cb.and(p3);
				}*/
				return predicate;
			}
		};
		
		Page<Area> pageData = areaService.findPageData(specification,pageable);
		
		pushPageDataToValuestack(pageData);
		return SUCCESS;
	}
}
